Mark 9:38-40

Upon this occasion John address'd himself to Jesus, saying, master, we saw a man casting out demons in your name, tho' he did not belong to us, for which reason we opposed him.

Luke 9:49-50

Then said John to Jesus, master, we saw one casting out demons in your name, and we oppos'd it, because he does not follow you with us.

John 3:26

who thereupon went to John, and said, master, he that was with you beyond Jordan, to whom you bore testimony, he himself does now baptize likewise, and the people flock to him.

Treasury of Scripture Knowledge

Summary

And Joshua the son of Nun, the servant of Moses, one of his young men, answered and said, My lord Moses, forbid them.

General references

Bible References

My lord

Mark 9:38
Upon this occasion John address'd himself to Jesus, saying, master, we saw a man casting out demons in your name, tho' he did not belong to us, for which reason we opposed him.
Luke 9:49
Then said John to Jesus, master, we saw one casting out demons in your name, and we oppos'd it, because he does not follow you with us.
John 3:26
who thereupon went to John, and said, master, he that was with you beyond Jordan, to whom you bore testimony, he himself does now baptize likewise, and the people flock to him.

General references

1 Thessalonians 5:20
don't despise the prophetic gift.